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. Author manuscript; available in PMC: 2013 Aug 28.
Published in final edited form as: Int J Eat Disord. 2008 May;41(4):289–300. doi: 10.1002/eat.20509

TABLE 4.

Characteristics of probands stratified by anorexia nervosa subtype

RAN n = 107 PAN n = 70 AN(B) n = 23 F-Value p-Value Group Differences
Age 28.7 (10.6) 29.4 (10.3) 27.9 (10.0) 0.20 ns
Eating disorder age of onset 17.1 (3.8) 16.4 (4.5) 17.5 (5.8) 0.71 ns
Eating disorder duration 8.5 (7.0) 10.2 (7.8) 8.7 (7.4) 1.16 ns
Sex (%) males 6 (5.6%) 1 (1.4%) 1 (4.4%) FI = 1.9 ns
BMI current 18.6 (2.6) 18.7 (2.5) 19.9 (2.4) 2.56 ns
BMI minimum (lifetime) 14.3 (1.9) 13.9 (1.9) 15.5 (1.9) 5.96 <.001 AN(B)>RAN, PAN
BMI maximum (lifetime) 21.3 (2.4) 21.6 (2.6) 22.0 (2.5) 0.74 ns
EDI Bulimia 0.81 (1.49) 1.75 (2.46) 4.05 (4.54) 17.56 <.001 AN(B)>PAN>RAN
EDI body dissatisfaction 14.0 (8.0) 18.1 (7.4) 18.0 (7.3) 6.73 .002 PAN>RAN
EDI drive for thinness 12.4 (7.2) 15.1 (5.9) 14.7 (6.1) 3.71 .026 PAN>RAN
YBC-EDS worst preoccupations 11.9 (2.8) 13.1 (2.4) 12.6 (2.1) 4.59 .011 PAN>RAN
YBC-EDS worst rituals 11.2 (3.2) 12.7 (2.4) 11.8 (2.9) 5.03 .007 PAN>RAN
YBC-EDS worst motivation to change 18.6 (5.4) 20.2 (4.3) 19.6 (3.4) 2.51 ns

Notes: BMI, body mass index; EDI, Eating Disorders Inventory II; YBC-EDS, Yale Brown Cornell Eating Disorder Scale; RAN, anorexia nervosa, restricting type; PAN, anorexia nervosa, purging type; AN(B), anorexia nervosa with binge eating.